ERF_ApplySpongeZoneBCs_ReadFromFile.cpp File Reference

#include <AMReX_MultiFab.H>
#include <ERF_SrcHeaders.H>
#include <ERF_InputSpongeData.H>

Include dependency graph for ERF_ApplySpongeZoneBCs_ReadFromFile.cpp:

Functions
void	ApplySpongeZoneBCsForMom_ReadFromFile (const SpongeChoice &spongeChoice, const Geometry geom, const Box &tbx, const Box &tby, const Array4< const Real > &cell_data, const Array4< Real > &rho_u_rhs, const Array4< Real > &rho_v_rhs, const Array4< const Real > &rho_u, const Array4< const Real > &rho_v, const Vector< Real * > d_sponge_ptrs_at_lev)

Function Documentation

ApplySpongeZoneBCsForMom_ReadFromFile()

void ApplySpongeZoneBCsForMom_ReadFromFile	(	const SpongeChoice &	spongeChoice,
		const Geometry	geom,
		const Box &	tbx,
		const Box &	tby,
		const Array4< const Real > &	cell_data,
		const Array4< Real > &	rho_u_rhs,
		const Array4< Real > &	rho_v_rhs,
		const Array4< const Real > &	rho_u,
		const Array4< const Real > &	rho_v,
		const Vector< Real * >	d_sponge_ptrs_at_lev
	)

{
    // Domain cell size and real bounds
    auto dx = geom.CellSizeArray();
    auto ProbHiArr = geom.ProbHiArray();
    auto ProbLoArr = geom.ProbLoArray();
 
    const Real sponge_strength = spongeChoice.sponge_strength;
    const int use_xlo_sponge_damping = spongeChoice.use_xlo_sponge_damping;
    const int use_xhi_sponge_damping = spongeChoice.use_xhi_sponge_damping;
    const int use_ylo_sponge_damping = spongeChoice.use_ylo_sponge_damping;
    const int use_yhi_sponge_damping = spongeChoice.use_yhi_sponge_damping;
    const int use_zlo_sponge_damping = spongeChoice.use_zlo_sponge_damping;
    const int use_zhi_sponge_damping = spongeChoice.use_zhi_sponge_damping;
 
    const Real xlo_sponge_end   = spongeChoice.xlo_sponge_end;
    const Real xhi_sponge_start = spongeChoice.xhi_sponge_start;
    const Real ylo_sponge_end   = spongeChoice.ylo_sponge_end;
    const Real yhi_sponge_start = spongeChoice.yhi_sponge_start;
    const Real zlo_sponge_end   = spongeChoice.zlo_sponge_end;
    const Real zhi_sponge_start = spongeChoice.zhi_sponge_start;
 
    // Domain valid box
    const Box& domain = geom.Domain();
    int domlo_x = domain.smallEnd(0);
    int domhi_x = domain.bigEnd(0) + 1;
    int domlo_y = domain.smallEnd(1);
    int domhi_y = domain.bigEnd(1) + 1;
    int domlo_z = domain.smallEnd(2);
    int domhi_z = domain.bigEnd(2) + 1;
 
    Real*     ubar_sponge = d_sponge_ptrs_at_lev[Sponge::ubar_sponge];
    Real*     vbar_sponge = d_sponge_ptrs_at_lev[Sponge::vbar_sponge];
 
    if(use_xlo_sponge_damping)AMREX_ALWAYS_ASSERT(xlo_sponge_end   > ProbLoArr[0]);
    if(use_xhi_sponge_damping)AMREX_ALWAYS_ASSERT(xhi_sponge_start < ProbHiArr[0]);
    if(use_ylo_sponge_damping)AMREX_ALWAYS_ASSERT(ylo_sponge_end   > ProbLoArr[1]);
    if(use_yhi_sponge_damping)AMREX_ALWAYS_ASSERT(yhi_sponge_start < ProbHiArr[1]);
    if(use_zlo_sponge_damping)AMREX_ALWAYS_ASSERT(zlo_sponge_end   > ProbLoArr[2]);
    if(use_zhi_sponge_damping)AMREX_ALWAYS_ASSERT(zhi_sponge_start < ProbHiArr[2]);
 
    ParallelFor(tbx, [=] AMREX_GPU_DEVICE(int i, int j, int k)
    {
        int ii = amrex::min(amrex::max(i, domlo_x), domhi_x);
        int jj = amrex::min(amrex::max(j, domlo_y), domhi_y);
        int kk = amrex::min(amrex::max(k, domlo_z), domhi_z);
 
        Real x = ProbLoArr[0] + ii * dx[0];
        Real y = ProbLoArr[1] + (jj+0.5) * dx[1];
        Real z = ProbLoArr[2] + (kk+0.5) * dx[2];
 
        // x lo sponge
        if(use_xlo_sponge_damping){
            if (x < xlo_sponge_end) {
                Real xi = (xlo_sponge_end - x) / (xlo_sponge_end - ProbLoArr[0]);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
        // x hi sponge
        if(use_xhi_sponge_damping){
            if (x > xhi_sponge_start) {
                Real xi = (x - xhi_sponge_start) / (ProbHiArr[0] - xhi_sponge_start);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
 
        // y lo sponge
        if(use_ylo_sponge_damping){
            if (y < ylo_sponge_end) {
                Real xi = (ylo_sponge_end - y) / (ylo_sponge_end - ProbLoArr[1]);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
        // x right sponge
        if(use_yhi_sponge_damping){
            if (y > yhi_sponge_start) {
                Real xi = (y - yhi_sponge_start) / (ProbHiArr[1] - yhi_sponge_start);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
 
        // z lo sponge
        if(use_zlo_sponge_damping){
            if (z < zlo_sponge_end) {
                Real xi = (zlo_sponge_end - z) / (zlo_sponge_end - ProbLoArr[2]);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
 
 
        // z hi sponge
        if(use_zhi_sponge_damping){
            if (z > zhi_sponge_start) {
                Real xi = (z - zhi_sponge_start) / (ProbHiArr[2] - zhi_sponge_start);
                rho_u_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_u(i, j, k) - cell_data(i,j,k,0)*ubar_sponge[k]);
            }
        }
    });
 
 
    ParallelFor(tby, [=] AMREX_GPU_DEVICE(int i, int j, int k)
    {
        int ii = amrex::min(amrex::max(i, domlo_x), domhi_x);
        int jj = amrex::min(amrex::max(j, domlo_y), domhi_y);
        int kk = amrex::min(amrex::max(k, domlo_z), domhi_z);
 
        Real x = ProbLoArr[0] + (ii+0.5) * dx[0];
        Real y = ProbLoArr[1] + jj * dx[1];
        Real z = ProbLoArr[2] + (kk+0.5) * dx[2];
 
        // x lo sponge
        if(use_xlo_sponge_damping){
            if (x < xlo_sponge_end) {
                Real xi = (xlo_sponge_end - x) / (xlo_sponge_end - ProbLoArr[0]);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
        // x hi sponge
        if(use_xhi_sponge_damping){
            if (x > xhi_sponge_start) {
                Real xi = (x - xhi_sponge_start) / (ProbHiArr[0] - xhi_sponge_start);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
 
        // y lo sponge
        if(use_ylo_sponge_damping){
            if (y < ylo_sponge_end) {
                Real xi = (ylo_sponge_end - y) / (ylo_sponge_end - ProbLoArr[1]);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
        // x right sponge
        if(use_yhi_sponge_damping){
            if (y > yhi_sponge_start) {
                Real xi = (y - yhi_sponge_start) / (ProbHiArr[1] - yhi_sponge_start);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
 
        // z lo sponge
        if(use_zlo_sponge_damping){
            if (z < zlo_sponge_end) {
                Real xi = (zlo_sponge_end - z) / (zlo_sponge_end - ProbLoArr[2]);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
 
 
        // z hi sponge
        if(use_zhi_sponge_damping){
            if (z > zhi_sponge_start) {
                Real xi = (z - zhi_sponge_start) / (ProbHiArr[2] - zhi_sponge_start);
                rho_v_rhs(i, j, k) -= sponge_strength * xi * xi * (rho_v(i, j, k) - cell_data(i,j,k,0)*vbar_sponge[k]);
            }
        }
    });
}

Referenced by make_mom_sources().

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